Filter with rotating wiper having indexing blades

Details Filter with rotating wiper having indexing blades Filter with rotating wiper having indexing blades

1990-06-14

1992-02-11

Hruskoci, Peter

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210408, 210409, 162272, 162274, B01D 2532

Patent

active

050873652

ABSTRACT:
A self-cleaning filter comprises a filter element and a housing. A cleaning unit, movable with respect to the filter element, removes filtered-out solids from the upstream face of the filter element. A movable cleaning element is engagable with the filter element. Indexing structure removes the cleaning element from the filter element for removing accumulated solids from the cleaning element while a second cleaning element engages the filter element for cleaning same in substitution for the first cleaning element.

REFERENCES:
patent: Re21639 (1935-05-01), Trinkle
patent: 2089215 (1937-08-01), Lomax
patent: 3051233 (1962-08-01), Baxter
patent: 3168467 (1965-02-01), Dreyer
patent: 3446431 (1969-05-01), Marchal et al.
patent: 3511374 (1970-05-01), Beal
patent: 3976577 (1976-08-01), Kaiser
patent: 4217220 (1980-08-01), Elgi et al.
patent: 4220540 (1980-09-01), Hagihara
patent: 4663030 (1987-05-01), Chupka et al.
patent: 4880539 (1989-11-01), Crawford et al.

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